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Exam (elaborations)

DASLE MN State Exam Questions and Answers | Latest Update

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Clinical Crown -:- That portion of the tooth that is visible in the oral cavity Oral prophylaxis -:- The complete removal of calculus, debris, stain, and plaque from the teeth. DH and DDS allowed Selective Polishing -:- a procedure in which only those teeth or surfaces with stain are polis...

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  • September 12, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • DASLE MN
  • DASLE MN
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2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!




DASLE MN State Exam Questions and
Answers | Latest Update
Clinical Crown

✓ -:- That portion of the tooth that is visible in the oral cavity




Oral prophylaxis

✓ -:- The complete removal of calculus, debris, stain, and plaque from the teeth.




DH and DDS allowed




Selective Polishing

✓ -:- a procedure in which only those teeth or surfaces with stain are polished




Purpose is to avoid unnecessary removal of even small amounts of surface enamel




Indications for Coronal Polishing

✓ -:- - Before placement of dental sealants - Before placement of dental dam -

Before cementation of orthodontic bands - before cementation of crowns and

bridges - before application of acid etching solution (if indicated by manufacturer)




Contraindications for Coronal Polishing

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,2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!


✓ -:- - when no stains are present - patients who are high risk for dental caries (ex:

bottle caries, root caries, thin demineralization enamel) - sensitive teeth - newly

erupted teeth B/C mineralization of tooth surface maybe incomplete




Endogenous stains

✓ -:- Stains developed from within the structure of the tooth




Example: Excessive amount of fluoride during tooth formation, medications taken by the

mother or the child during tooth development (Tetracycline)




CANNOT be removed by polishing




Exogenous Stain

✓ -:- originates from sources outside the tooth and are caused by environmental

agents.




Extrinsic Stain

✓ -:- appear on the exterior of the tooth, and CAN be removed by polishing




Examples: Food, Drink, Tobacco




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,2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!


Intrinsic Stain

✓ -:- Caused by environmental agents but CANNOT be removed because the stain

has become incorporated into the structure of the tooth.




Examples: Amalgam tattoo, smoking, chewing, or dipping




Extrinsic Stain Examples

✓ -:- black stain, brown stain, yellow stain, tobacco stain, green stain, dental plaque

agents, food and drink, Nasmyth's membrane




Intrinsic Stain Examples

✓ -:- Pulpless teeth, Tetracycline antibiotics, dental fluorosis, imperfect tooth

development, silver amalgam




Two methods of stain removal

✓ -:- Air-powder polishing and rubber cup polishing




Rubber cup polishing

✓ -:- A technique that is used to remove plaque and stains from the coronal

surfaces of the teeth. Most common




Polishing cups
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, 2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!


✓ -:- Soft, webbed polishing cups are used to clean and polish the smooth surfaces

of the teeth.




Bristle Brushes

✓ -:- made from either natural or synthetic materials, may be used to remove

stains from deep pits and fissures of the enamel surfaces




Grasping the handpiece

✓ -:- Pen grasp




fulcrum

✓ -:- provides stability for the operator and must be placed in such a way to allow

movement of the wrist and forearm.




Abrasives (cleaning and polishing agents)

✓ -:- extra coarse, coarse, medium, fine, extra fine

the coarser the agent, the greater is the abrasion to the surface




What prophy paste is not recommended for esthetic restorations?

✓ -:- regular prophy paste




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